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111388 Posts in 12825 Topics by 4913 Members
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3946  Camaro Research Group Discussion / Originality / Re: Refinish 68 trunk on: April 28, 2006, 01:24:39 PM
The trunk spatter paint was shot in the Paint Shop, at the same time as the firewall blackout, before the final bake oven; the trunk mat was installed after paint, in the Trim Shop. I'm not aware of any undercoating applied to the inside of the quarter panels in the trunk, but I'm not that familiar with 68's.
3947  Camaro Research Group Discussion / Originality / Re: Folding rear seat option on: April 28, 2006, 01:17:50 PM
12300 is 6-cylinder Camaros, 12400 is V-8 Camaros; F41 requires 12400 (a V-8 car), and isn't available with SS or Z/28, as it was included in those options. Also not available on 12300 (6-cylinder cars).
3948  Camaro Research Group Discussion / General Discussion / Re: '69 Camaro " - - " Paint Code Question on: April 27, 2006, 01:26:05 PM
In production, I believe the only units with the tail panel painted black were SS big-blocks.
3949  Camaro Research Group Discussion / Restoration / Re: What is this? on: April 26, 2006, 12:19:31 PM
Yes, they are - and on a Corvette, the front two wires on each side are covered with a chrome heat shield.
3950  Camaro Research Group Discussion / General Discussion / Re: LATE BREAKING NEWS - CAMARO NATIONALS on: April 25, 2006, 01:41:14 PM
It will also be at the Camaro Superfest 2006 from June 30th - July 2nd in Ypsilanti, Michigan, with Tom Peters and Brian Smith from the design team. Info/details at .
3951  Camaro Research Group Discussion / Maintenance / Re: 69 Cowl Hood Alignment ?????????? on: April 24, 2006, 10:52:19 AM
"MARTINSR" has an excellent post (I think it's a "sticky" now) in the Body Shop section at Team Camaro ( that deals with front sheet metal fitting, especially hoods. Check it out.
3952  Camaro Research Group Discussion / Restoration / Re: The "perfect" orange on: April 24, 2006, 10:48:32 AM
Many of our NCRS guys prefer the Quanta Chevy Engine Orange - it's available in spray cans or in quarts (
3953  Camaro Research Group Discussion / Restoration / Re: What is this? on: April 24, 2006, 10:45:11 AM
That's the clip that goes on both sides (under a pan bolt) on cars with ram's horn exhaust manifolds to retain the front two plug wires on each side and hold them away from the manifold heat.
3954  Camaro Research Group Discussion / Restoration / Re: Engine paint on: April 23, 2006, 10:38:19 AM
Most of the time it was just a piece of masking tape torn off a roll and stuck on the pad; sometimes the pad was just wiped with a solvent-soaked rag instead. It wasn't a "concours" operation - they just needed to have the pad readable at the shipping dock with engines coming in one every twelve seconds.
3955  Camaro Research Group Discussion / Decoding/Numbers / Re: 15 x 6 YS Code Rally Wheel on: April 23, 2006, 10:31:51 AM
With that bolt pattern, it's probably for a Ford or AMC application.
3956  Camaro Research Group Discussion / Maintenance / Re: How do you remove the headlight switch knob? on: April 22, 2006, 11:09:07 AM
There's a little spring-loaded plunger protruding from the metal portion of the switch body; press the plunger in and the knob/shaft will pull right out, then you can remove the switch.
3957  Camaro Research Group Discussion / Decoding/Numbers / Re: L78 engine code help on: April 21, 2006, 09:57:28 AM
Page 139 of Jerry's book indicates that many late 854 blocks (402's) used the "C" prefix ahead of the usual two-character suffix.
3958  Camaro Research Group Discussion / Restoration / Re: 1969 327 engine details on: April 20, 2006, 11:13:15 AM
Yup, that's correct - the water pump was in place when the engine was painted.
3959  Camaro Research Group Discussion / Maintenance / Re: Fuel / Octane Rating on: April 19, 2006, 10:52:32 AM
Thanks to JohnZ and lakeholme for responding to the questions posed by Adz28 and my self. JohnZ how do you measure the amount of advance on the mechanical and vacuum advance? Do you have to do it on a distributer machine? Can it be done on the car? Should my distributer use the small rubber bushing under the mechanical advance? Is your total advance 34 degrees or does the vac advance provide additional on top of that? (Sorry for all the questions!) I must also apologise to Adz28 for stepping on his post. He still hasn't gotton his answer to his original question about 100 and 110 octane. JohnZ, or anyone else's comments are appreciated. Thanks

You don't need a Sun machine to "map" and adjust your advance curve - all you need is a dial-back timing light to "map" what you have, and an assortment of springs to set up the curve; occasionally the stock rubber limit bushing has disappeared, but others are available in the various "advance kits" if you need them.

Your "total timing" (34-36 degrees) is the sum of initial advance plus centrifugal advance - vacuum advance doesn't enter into that equation at all, as the vacuum advance drops out when you put your foot in it - it's only in effect at idle and steady-state cruise. When checking "total timing" and setting up your curve, the vacuum advance should be disconnected and plugged, just as it is when setting initial timing.
3960  Camaro Research Group Discussion / Restoration / Re: re-stamping a block on: April 19, 2006, 10:43:23 AM
As we understand it, the NCRS says this is OK and will not penalize the car.

Just to clarify - in NCRS Flight Judging, the key is whether any part "appears" as if it could be original, not whether it IS original (there's another separate judging category for untouched absolutely original cars where only originality is judged, with no consideration for Condition - that's "Star/Bowtie" judging).

Stamp pads are judged on their own merit, and with the library of over 8,000 macro photographs of Corvette engine pads to compare against, what's "typical", what's a known factory anomaly, and what's NOT "typical" are easily detected these days. A pad either appears to be typical of factory production or it doesn't; if it doesn't, it gets the appropriate deduction. Most of the points for the block are allocated to the casting number and casting date, not to the pad; the block is allocated 350 points (out of 4500 for the whole car), and only 88 of those points relate to the pad (25 for the engine plant stamp, 25 for the VIN derivative, and 38 for the pad surface).
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